build: Complete migration to CMake (legacy build system removal) PR run #29

Job	Run time
Build / ares-windows-x64	7m 27s
Build / ares-windows-x64-gcc	14m 0s
Build / ares-windows-clang-cl-x64	8m 56s
Build / ares-windows-clang-cl-arm64	10m 3s
Build / ares-windows-msvc-x64	5m 41s
Build / ares-windows-msvc-arm64	6m 51s
Build / ares-macos-universal	8m 45s
Build / ares-ubuntu	8m 26s
	1h 10m 9s

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